12344690 has 16 divisors (see below), whose sum is σ = 22763160. Its totient is φ = 4817280.

The previous prime is 12344687. The next prime is 12344693. The reversal of 12344690 is 9644321.

It is an interprime number because it is at equal distance from previous prime (12344687) and next prime (12344693).

It can be written as a sum of positive squares in 4 ways, for example, as 5755201 + 6589489 = 2399^2 + 2567^2 .

It is a super-2 number, since 2×12344690² = 304782742392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12344693) 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, 14645 + ... + 15464.

Almost surely, 2^12344690 is an apocalyptic number.

12344690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12344690 is a deficient number, since it is larger than the sum of its proper divisors (10418470).

12344690 is a wasteful number, since it uses less digits than its factorization.

12344690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30157.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 12344690 is about 3513.5011028887. The cubic root of 12344690 is about 231.1142529330.

The spelling of 12344690 in words is "twelve million, three hundred forty-four thousand, six hundred ninety".