12425690 has 8 divisors (see below), whose sum is σ = 22366260. Its totient is φ = 4970272.

The previous prime is 12425689. The next prime is 12425701. The reversal of 12425690 is 9652421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12411529 + 14161 = 3523^2 + 119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12425690² = 308795543952200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621275 + ... + 621294.

Almost surely, 2^12425690 is an apocalyptic number.

12425690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12425690 is a deficient number, since it is larger than the sum of its proper divisors (9940570).

12425690 is a wasteful number, since it uses less digits than its factorization.

12425690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242576.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 12425690 is about 3525.0092198461. The cubic root of 12425690 is about 231.6186387220.

The spelling of 12425690 in words is "twelve million, four hundred twenty-five thousand, six hundred ninety".