12617764 has 6 divisors (see below), whose sum is σ = 22081094. Its totient is φ = 6308880.

The previous prime is 12617753. The next prime is 12617771. The reversal of 12617764 is 46771621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 2377764 = 3200^2 + 1542^2 .

It is a super-3 number, since 3×12617764³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577217 + ... + 1577224.

Almost surely, 2^12617764 is an apocalyptic number.

It is an amenable number.

12617764 is a deficient number, since it is larger than the sum of its proper divisors (9463330).

12617764 is a wasteful number, since it uses less digits than its factorization.

12617764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154445 (or 3154443 counting only the distinct ones).

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

The square root of 12617764 is about 3552.1492085778. The cubic root of 12617764 is about 232.8059809204.

It can be divided in two parts, 1261 and 7764, that added together give a square (9025 = 95²).

The spelling of 12617764 in words is "twelve million, six hundred seventeen thousand, seven hundred sixty-four".