12717770 has 16 divisors (see below), whose sum is σ = 24653160. Its totient is φ = 4695744.

The previous prime is 12717769. The next prime is 12717773. The reversal of 12717770 is 7771721.

It can be written as a sum of positive squares in 4 ways, for example, as 8958049 + 3759721 = 2993^2 + 1939^2 .

It is not an unprimeable number, because it can be changed into a prime (12717773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48785 + ... + 49044.

Almost surely, 2^12717770 is an apocalyptic number.

12717770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12717770 is a deficient number, since it is larger than the sum of its proper divisors (11935390).

12717770 is a wasteful number, since it uses less digits than its factorization.

12717770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97849.

The product of its (nonzero) digits is 4802, while the sum is 32.

The square root of 12717770 is about 3566.1982558461. The cubic root of 12717770 is about 233.4194217485.

The spelling of 12717770 in words is "twelve million, seven hundred seventeen thousand, seven hundred seventy".