12617475 has 24 divisors (see below), whose sum is σ = 22467312. Its totient is φ = 6211200.

The previous prime is 12617461. The next prime is 12617477. The reversal of 12617475 is 57471621.

It is not a de Polignac number, because 12617475 - 2⁵ = 12617443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12617477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5496 + ... + 7445.

It is an arithmetic number, because the mean of its divisors is an integer number (936138).

Almost surely, 2^12617475 is an apocalyptic number.

12617475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12617475 is a deficient number, since it is larger than the sum of its proper divisors (9849837).

12617475 is a wasteful number, since it uses less digits than its factorization.

12617475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967 (or 12962 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 12617475 is about 3552.1085287474. The cubic root of 12617475 is about 232.8042034940.

The spelling of 12617475 in words is "twelve million, six hundred seventeen thousand, four hundred seventy-five".