12770642 has 16 divisors (see below), whose sum is σ = 19505664. Its totient is φ = 6270000.

The previous prime is 12770599. The next prime is 12770651. The reversal of 12770642 is 24607721.

12770642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 38417 + ... + 38747.

It is an arithmetic number, because the mean of its divisors is an integer number (1219104).

Almost surely, 2^12770642 is an apocalyptic number.

12770642 is a deficient number, since it is larger than the sum of its proper divisors (6735022).

12770642 is a wasteful number, since it uses less digits than its factorization.

12770642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12770642 is about 3573.6035034682. The cubic root of 12770642 is about 233.7424419187.

The spelling of 12770642 in words is "twelve million, seven hundred seventy thousand, six hundred forty-two".