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13240601 = 111203691
BaseRepresentation
bin110010100000…
…100100011001
3220220200200122
4302200210121
511342144401
61151443025
7220354223
oct62404431
926820618
1013240601
117523950
124526475
13298789a
141a89413
15126821b
hexca0919

13240601 has 4 divisors (see below), whose sum is σ = 14444304. Its totient is φ = 12036900.

The previous prime is 13240589. The next prime is 13240609. The reversal of 13240601 is 10604231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10604231 = 11964021.

It is a cyclic number.

It is not a de Polignac number, because 13240601 - 26 = 13240537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13240601.

It is not an unprimeable number, because it can be changed into a prime (13240609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601835 + ... + 601856.

It is an arithmetic number, because the mean of its divisors is an integer number (3611076).

Almost surely, 213240601 is an apocalyptic number.

13240601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13240601 is a deficient number, since it is larger than the sum of its proper divisors (1203703).

13240601 is a wasteful number, since it uses less digits than its factorization.

13240601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203702.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13240601 is about 3638.7636636638. The cubic root of 13240601 is about 236.5752092120.

Adding to 13240601 its reverse (10604231), we get a palindrome (23844832).

The spelling of 13240601 in words is "thirteen million, two hundred forty thousand, six hundred one".

Divisors: 1 11 1203691 13240601