12453739 has 2 divisors, whose sum is σ = 12453740. Its totient is φ = 12453738.

The previous prime is 12453737. The next prime is 12453743. The reversal of 12453739 is 93735421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12453739 - 2¹ = 12453737 is a prime.

Together with 12453737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12453737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226869 + 6226870.

It is an arithmetic number, because the mean of its divisors is an integer number (6226870).

Almost surely, 2^12453739 is an apocalyptic number.

12453739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453739 is an equidigital number, since it uses as much as digits as its factorization.

12453739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 12453739 is about 3528.9855482844. The cubic root of 12453739 is about 231.7927883781.

The spelling of 12453739 in words is "twelve million, four hundred fifty-three thousand, seven hundred thirty-nine".