12777402 has 16 divisors (see below), whose sum is σ = 27878112. Its totient is φ = 3871920.

The previous prime is 12777383. The next prime is 12777431. The reversal of 12777402 is 20477721.

It is a self number, because there is not a number n which added to its sum of digits gives 12777402.

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, 96733 + ... + 96864.

It is an arithmetic number, because the mean of its divisors is an integer number (1742382).

Almost surely, 2^12777402 is an apocalyptic number.

12777402 is an abundant number, since it is smaller than the sum of its proper divisors (15100710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12777402 is a wasteful number, since it uses less digits than its factorization.

12777402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193613.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12777402 is about 3574.5492023471. The cubic root of 12777402 is about 233.7836776474.

The spelling of 12777402 in words is "twelve million, seven hundred seventy-seven thousand, four hundred two".