12765772 has 6 divisors (see below), whose sum is σ = 22340108. Its totient is φ = 6382884.

The previous prime is 12765763. The next prime is 12765787. The reversal of 12765772 is 27756721.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595718 + ... + 1595725.

Almost surely, 2^12765772 is an apocalyptic number.

It is an amenable number.

12765772 is a deficient number, since it is larger than the sum of its proper divisors (9574336).

12765772 is a wasteful number, since it uses less digits than its factorization.

12765772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191447 (or 3191445 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 12765772 is about 3572.9220534459. The cubic root of 12765772 is about 233.7127260955.

It can be divided in two parts, 12765 and 772, that multiplied together give a triangular number (9854580 = T₄₄₃₉).

The spelling of 12765772 in words is "twelve million, seven hundred sixty-five thousand, seven hundred seventy-two".