12505834 has 24 divisors (see below), whose sum is σ = 21297024. Its totient is φ = 5497800.

The previous prime is 12505811. The next prime is 12505841. The reversal of 12505834 is 43850521.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6669 + ... + 8335.

It is an arithmetic number, because the mean of its divisors is an integer number (887376).

Almost surely, 2^12505834 is an apocalyptic number.

12505834 is a deficient number, since it is larger than the sum of its proper divisors (8791190).

12505834 is a wasteful number, since it uses less digits than its factorization.

12505834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 12505834 is about 3536.3588618804. The cubic root of 12505834 is about 232.1155414374.

The spelling of 12505834 in words is "twelve million, five hundred five thousand, eight hundred thirty-four".