12152949 has 4 divisors (see below), whose sum is σ = 16203936. Its totient is φ = 8101964.

The previous prime is 12152941. The next prime is 12152971. The reversal of 12152949 is 94925121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12152949 - 2³ = 12152941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025489 + ... + 2025494.

It is an arithmetic number, because the mean of its divisors is an integer number (4050984).

Almost surely, 2^12152949 is an apocalyptic number.

It is an amenable number.

12152949 is a deficient number, since it is larger than the sum of its proper divisors (4050987).

12152949 is an equidigital number, since it uses as much as digits as its factorization.

12152949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050986.

The product of its digits is 6480, while the sum is 33.

The square root of 12152949 is about 3486.1080017693. The cubic root of 12152949 is about 229.9114277733.

The spelling of 12152949 in words is "twelve million, one hundred fifty-two thousand, nine hundred forty-nine".