12951406 has 16 divisors (see below), whose sum is σ = 21488544. Its totient is φ = 5815584.

The previous prime is 12951383. The next prime is 12951431. The reversal of 12951406 is 60415921.

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, 5770 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (1343034).

Almost surely, 2^12951406 is an apocalyptic number.

12951406 is the 1924-th nonagonal number.

12951406 is a deficient number, since it is larger than the sum of its proper divisors (8537138).

12951406 is a wasteful number, since it uses less digits than its factorization.

12951406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13515.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12951406 is about 3598.8061909472. The cubic root of 12951406 is about 234.8401266615.

It can be divided in two parts, 1295 and 1406, that added together give a triangular number (2701 = T₇₃).

The spelling of 12951406 in words is "twelve million, nine hundred fifty-one thousand, four hundred six".