11257939 has 16 divisors (see below), whose sum is σ = 14112000. Its totient is φ = 8724960.

The previous prime is 11257933. The next prime is 11257949. The reversal of 11257939 is 93975211.

11257939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11257939 - 2⁷ = 11257811 is a prime.

Its product of digits (17010) is a multiple of the sum of its prime divisors (810).

It is a junction number, because it is equal to n+sod(n) for n = 11257898 and 11257907.

It is not an unprimeable number, because it can be changed into a prime (11257933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22312 + ... + 22810.

It is an arithmetic number, because the mean of its divisors is an integer number (882000).

Almost surely, 2^11257939 is an apocalyptic number.

11257939 is a deficient number, since it is larger than the sum of its proper divisors (2854061).

11257939 is a wasteful number, since it uses less digits than its factorization.

11257939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its digits is 17010, while the sum is 37.

The square root of 11257939 is about 3355.2852337767. The cubic root of 11257939 is about 224.1229328932.

The spelling of 11257939 in words is "eleven million, two hundred fifty-seven thousand, nine hundred thirty-nine".