12390951 has 8 divisors (see below), whose sum is σ = 17239680. Its totient is φ = 7901432.

The previous prime is 12390949. The next prime is 12390953. The reversal of 12390951 is 15909321.

12390951 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12390949) and next prime (12390953).

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 12390951 - 2¹ = 12390949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12390953) 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, 89721 + ... + 89858.

It is an arithmetic number, because the mean of its divisors is an integer number (2154960).

Almost surely, 2^12390951 is an apocalyptic number.

12390951 is a deficient number, since it is larger than the sum of its proper divisors (4848729).

12390951 is a wasteful number, since it uses less digits than its factorization.

12390951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179605.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 12390951 is about 3520.0782661753. The cubic root of 12390951 is about 231.4025887502.

The spelling of 12390951 in words is "twelve million, three hundred ninety thousand, nine hundred fifty-one".