11977038 has 16 divisors (see below), whose sum is σ = 26615760. Its totient is φ = 3992328.

The previous prime is 11977033. The next prime is 11977039. The reversal of 11977038 is 83077911.

11977038 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 a junction number, because it is equal to n+sod(n) for n = 11976993 and 11977011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977033) 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, 110845 + ... + 110952.

It is an arithmetic number, because the mean of its divisors is an integer number (1663485).

Almost surely, 2^11977038 is an apocalyptic number.

11977038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11977038 is an abundant number, since it is smaller than the sum of its proper divisors (14638722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11977038 is a wasteful number, since it uses less digits than its factorization.

11977038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221808 (or 221802 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 11977038 is about 3460.7857489304. The cubic root of 11977038 is about 228.7967278902.

The spelling of 11977038 in words is "eleven million, nine hundred seventy-seven thousand, thirty-eight".