12770402 has 8 divisors (see below), whose sum is σ = 19673436. Its totient is φ = 6212592.

The previous prime is 12770399. The next prime is 12770423. The reversal of 12770402 is 20407721.

It can be written as a sum of positive squares in 2 ways, for example, as 12609601 + 160801 = 3551^2 + 401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86213 + ... + 86360.

Almost surely, 2^12770402 is an apocalyptic number.

12770402 is a deficient number, since it is larger than the sum of its proper divisors (6903034).

12770402 is a wasteful number, since it uses less digits than its factorization.

12770402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172612.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 12770402 is about 3573.5699237597. The cubic root of 12770402 is about 233.7409776609.

The spelling of 12770402 in words is "twelve million, seven hundred seventy thousand, four hundred two".