12949951 has 8 divisors (see below), whose sum is σ = 14835744. Its totient is φ = 11073120.

The previous prime is 12949949. The next prime is 12949987. The reversal of 12949951 is 15994921.

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

It is a cyclic number.

It is not a de Polignac number, because 12949951 - 2¹ = 12949949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12949931) 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, 1221 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (1854468).

Almost surely, 2^12949951 is an apocalyptic number.

12949951 is a deficient number, since it is larger than the sum of its proper divisors (1885793).

12949951 is an equidigital number, since it uses as much as digits as its factorization.

12949951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481.

The product of its digits is 29160, while the sum is 40.

The square root of 12949951 is about 3598.6040349002. The cubic root of 12949951 is about 234.8313321162.

The spelling of 12949951 in words is "twelve million, nine hundred forty-nine thousand, nine hundred fifty-one".