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13241497 = 14479151
BaseRepresentation
bin110010100000…
…110010011001
3220220201220211
4302200302121
511342211442
61151451121
7220356643
oct62406231
926821824
1013241497
117524595
124526aa1
132988109
141a89893
151268617
hexca0c99

13241497 has 4 divisors (see below), whose sum is σ = 13252096. Its totient is φ = 13230900.

The previous prime is 13241479. The next prime is 13241513. The reversal of 13241497 is 79414231.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79414231 = 136108787.

It is a cyclic number.

It is not a de Polignac number, because 13241497 - 27 = 13241369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13241477) 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, 3129 + ... + 6022.

It is an arithmetic number, because the mean of its divisors is an integer number (3313024).

Almost surely, 213241497 is an apocalyptic number.

It is an amenable number.

13241497 is a deficient number, since it is larger than the sum of its proper divisors (10599).

13241497 is an equidigital number, since it uses as much as digits as its factorization.

13241497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10598.

The product of its digits is 6048, while the sum is 31.

The square root of 13241497 is about 3638.8867803217. The cubic root of 13241497 is about 236.5805454906.

The spelling of 13241497 in words is "thirteen million, two hundred forty-one thousand, four hundred ninety-seven".

Divisors: 1 1447 9151 13241497