12693970 has 16 divisors (see below), whose sum is σ = 23163480. Its totient is φ = 5007744.

The previous prime is 12693959. The next prime is 12693991. The reversal of 12693970 is 7939621.

It can be written as a sum of positive squares in 4 ways, for example, as 11108889 + 1585081 = 3333^2 + 1259^2 .

It is a super-2 number, since 2×12693970² = 322273748721800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7965 + ... + 9424.

Almost surely, 2^12693970 is an apocalyptic number.

12693970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12693970 is a deficient number, since it is larger than the sum of its proper divisors (10469510).

12693970 is a wasteful number, since it uses less digits than its factorization.

12693970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17469.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 12693970 is about 3562.8598063915. The cubic root of 12693970 is about 233.2737240020.

The spelling of 12693970 in words is "twelve million, six hundred ninety-three thousand, nine hundred seventy".