12925406 has 16 divisors (see below), whose sum is σ = 22108464. Its totient is φ = 5614464.

The previous prime is 12925369. The next prime is 12925421. The reversal of 12925406 is 60452921.

It is a happy number.

It is a super-2 number, since 2×12925406² = 334132240529672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14180 + ... + 15063.

It is an arithmetic number, because the mean of its divisors is an integer number (1381779).

Almost surely, 2^12925406 is an apocalyptic number.

12925406 is a deficient number, since it is larger than the sum of its proper divisors (9183058).

12925406 is a wasteful number, since it uses less digits than its factorization.

12925406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29275.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 12925406 is about 3595.1920671920. The cubic root of 12925406 is about 234.6828738842.

It can be divided in two parts, 12925 and 406, that added together give a palindrome (13331).

The spelling of 12925406 in words is "twelve million, nine hundred twenty-five thousand, four hundred six".