12613990 has 16 divisors (see below), whose sum is σ = 22880880. Its totient is φ = 5006560.

The previous prime is 12613981. The next prime is 12613999. The reversal of 12613990 is 9931621.

It is an interprime number because it is at equal distance from previous prime (12613981) and next prime (12613999).

It is a super-2 number, since 2×12613990² = 318225487440200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12613999) by changing a digit.

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, 3505 + ... + 6124.

It is an arithmetic number, because the mean of its divisors is an integer number (1430055).

It is a vampire number, since it can be written as 1310 ⋅ 9629 (with its own digits).

Almost surely, 2^12613990 is an apocalyptic number.

12613990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12613990 is a deficient number, since it is larger than the sum of its proper divisors (10266890).

12613990 is a wasteful number, since it uses less digits than its factorization.

12613990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9767.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 12613990 is about 3551.6179411643. The cubic root of 12613990 is about 232.7827676848.

The spelling of 12613990 in words is "twelve million, six hundred thirteen thousand, nine hundred ninety".