12504401 has 32 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 9086976.

The previous prime is 12504391. The next prime is 12504431. The reversal of 12504401 is 10440521.

It is not a de Polignac number, because 12504401 - 2¹⁸ = 12242257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12504401.

It is not an unprimeable number, because it can be changed into a prime (12504431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91205 + ... + 91341.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 2^12504401 is an apocalyptic number.

It is an amenable number.

12504401 is a deficient number, since it is larger than the sum of its proper divisors (4188079).

12504401 is a wasteful number, since it uses less digits than its factorization.

12504401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12504401 is about 3536.1562465479. The cubic root of 12504401 is about 232.1066753280.

Adding to 12504401 its reverse (10440521), we get a palindrome (22944922).

The spelling of 12504401 in words is "twelve million, five hundred four thousand, four hundred one".