12642854 has 16 divisors (see below), whose sum is σ = 22373376. Its totient is φ = 5243400.

The previous prime is 12642853. The next prime is 12642857. The reversal of 12642854 is 45824621.

It is a self number, because there is not a number n which added to its sum of digits gives 12642854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14132 + ... + 14999.

It is an arithmetic number, because the mean of its divisors is an integer number (1398336).

Almost surely, 2^12642854 is an apocalyptic number.

12642854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12642854 is a deficient number, since it is larger than the sum of its proper divisors (9730522).

12642854 is a wasteful number, since it uses less digits than its factorization.

12642854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29171.

The product of its digits is 15360, while the sum is 32.

The square root of 12642854 is about 3555.6791193807. The cubic root of 12642854 is about 232.9601877123.

The spelling of 12642854 in words is "twelve million, six hundred forty-two thousand, eight hundred fifty-four".