11937949 has 4 divisors (see below), whose sum is σ = 11950560. Its totient is φ = 11925340.

The previous prime is 11937941. The next prime is 11937967. The reversal of 11937949 is 94973911.

It is a happy number.

11937949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11937949 - 2³ = 11937941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11937941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4759 + ... + 6820.

It is an arithmetic number, because the mean of its divisors is an integer number (2987640).

Almost surely, 2^11937949 is an apocalyptic number.

It is an amenable number.

11937949 is a deficient number, since it is larger than the sum of its proper divisors (12611).

11937949 is a wasteful number, since it uses less digits than its factorization.

11937949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12610.

The product of its digits is 61236, while the sum is 43.

The square root of 11937949 is about 3455.1337166599. The cubic root of 11937949 is about 228.5475515795.

The spelling of 11937949 in words is "eleven million, nine hundred thirty-seven thousand, nine hundred forty-nine".