12940774 has 32 divisors (see below), whose sum is σ = 25629696. Its totient is φ = 4744320.

The previous prime is 12940769. The next prime is 12940777. The reversal of 12940774 is 47704921.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12940777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147 + ... + 5089.

It is an arithmetic number, because the mean of its divisors is an integer number (800928).

Almost surely, 2^12940774 is an apocalyptic number.

12940774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12940774 is a deficient number, since it is larger than the sum of its proper divisors (12688922).

12940774 is a wasteful number, since it uses less digits than its factorization.

12940774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 12940774 is about 3597.3287311559. The cubic root of 12940774 is about 234.7758478292.

The spelling of 12940774 in words is "twelve million, nine hundred forty thousand, seven hundred seventy-four".