13825406 has 16 divisors (see below), whose sum is σ = 24090720. Its totient is φ = 5827680.

The previous prime is 13825391. The next prime is 13825453. The reversal of 13825406 is 60452831.

It is a super-2 number, since 2×13825406² = 382283702129672, which contains 22 as substring.

It is a Curzon number.

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, 7241 + ... + 8948.

It is an arithmetic number, because the mean of its divisors is an integer number (1505670).

Almost surely, 2^13825406 is an apocalyptic number.

13825406 is a deficient number, since it is larger than the sum of its proper divisors (10265314).

13825406 is a wasteful number, since it uses less digits than its factorization.

13825406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16259.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13825406 is about 3718.2530844470. The cubic root of 13825406 is about 240.0081362982.

The spelling of 13825406 in words is "thirteen million, eight hundred twenty-five thousand, four hundred six".