12749950 has 24 divisors (see below), whose sum is σ = 24964920. Its totient is φ = 4831200.

The previous prime is 12749923. The next prime is 12749951. The reversal of 12749950 is 5994721.

12749950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12749950² = 325122450005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5761 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (1040205).

Almost surely, 2^12749950 is an apocalyptic number.

12749950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12749950 is a deficient number, since it is larger than the sum of its proper divisors (12214970).

12749950 is a wasteful number, since it uses less digits than its factorization.

12749950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13452 (or 13447 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 12749950 is about 3570.7072128641. The cubic root of 12749950 is about 233.6161310364.

The spelling of 12749950 in words is "twelve million, seven hundred forty-nine thousand, nine hundred fifty".