12952290 has 32 divisors (see below), whose sum is σ = 33477696. Its totient is φ = 3188160.

The previous prime is 12952271. The next prime is 12952297. The reversal of 12952290 is 9225921.

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

It is not an unprimeable number, because it can be changed into a prime (12952297) 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 15 ways as a sum of consecutive naturals, for example, 16216 + ... + 16995.

It is an arithmetic number, because the mean of its divisors is an integer number (1046178).

Almost surely, 2^12952290 is an apocalyptic number.

12952290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12952290 is an abundant number, since it is smaller than the sum of its proper divisors (20525406).

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

12952290 is a wasteful number, since it uses less digits than its factorization.

12952290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33234.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 12952290 is about 3598.9290073576. The cubic root of 12952290 is about 234.8454695550.

The spelling of 12952290 in words is "twelve million, nine hundred fifty-two thousand, two hundred ninety".