12653670 has 32 divisors (see below), whose sum is σ = 30528000. Its totient is φ = 3356640.

The previous prime is 12653633. The next prime is 12653699. The reversal of 12653670 is 7635621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5331 + ... + 7329.

It is an arithmetic number, because the mean of its divisors is an integer number (954000).

Almost surely, 2^12653670 is an apocalyptic number.

12653670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12653670 is an abundant number, since it is smaller than the sum of its proper divisors (17874330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12653670 is a wasteful number, since it uses less digits than its factorization.

12653670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 12653670 is about 3557.1997413696. The cubic root of 12653670 is about 233.0266014929.

The spelling of 12653670 in words is "twelve million, six hundred fifty-three thousand, six hundred seventy".