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13412401 = 19967399
BaseRepresentation
bin110011001010…
…100000110001
3221020102100121
4303022200301
511413144101
61155250241
7222001132
oct63124061
927212317
1013412401
117630a32
1245a9981
132a17b42
141ad1c89
15129e0a1
hexcca831

13412401 has 4 divisors (see below), whose sum is σ = 13480000. Its totient is φ = 13344804.

The previous prime is 13412387. The next prime is 13412407. The reversal of 13412401 is 10421431.

13412401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 10421431 = 19952369.

It is a cyclic number.

It is not a de Polignac number, because 13412401 - 25 = 13412369 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13412407) 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, 33501 + ... + 33898.

It is an arithmetic number, because the mean of its divisors is an integer number (3370000).

Almost surely, 213412401 is an apocalyptic number.

It is an amenable number.

13412401 is a deficient number, since it is larger than the sum of its proper divisors (67599).

13412401 is an equidigital number, since it uses as much as digits as its factorization.

13412401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67598.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 13412401 is about 3662.2944993542. The cubic root of 13412401 is about 237.5940222377.

Adding to 13412401 its reverse (10421431), we get a palindrome (23833832).

The spelling of 13412401 in words is "thirteen million, four hundred twelve thousand, four hundred one".

Divisors: 1 199 67399 13412401