11437939 has 2 divisors, whose sum is σ = 11437940. Its totient is φ = 11437938.

The previous prime is 11437931. The next prime is 11437961. The reversal of 11437939 is 93973411.

11437939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11437939 - 2³ = 11437931 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11437898 and 11437907.

It is not a weakly prime, because it can be changed into another prime (11437931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5718969 + 5718970.

It is an arithmetic number, because the mean of its divisors is an integer number (5718970).

Almost surely, 2^11437939 is an apocalyptic number.

11437939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11437939 is an equidigital number, since it uses as much as digits as its factorization.

11437939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 11437939 is about 3382.0022176220. The cubic root of 11437939 is about 225.3111021585.

The spelling of 11437939 in words is "eleven million, four hundred thirty-seven thousand, nine hundred thirty-nine".