11651442 has 16 divisors (see below), whose sum is σ = 25421472. Its totient is φ = 3530720.

The previous prime is 11651407. The next prime is 11651449. The reversal of 11651442 is 24415611.

It is a happy number.

11651442 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 super-2 number, since 2×11651442² = 271512201358728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11651449) 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, 88203 + ... + 88334.

It is an arithmetic number, because the mean of its divisors is an integer number (1588842).

Almost surely, 2^11651442 is an apocalyptic number.

11651442 is an abundant number, since it is smaller than the sum of its proper divisors (13770030).

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

11651442 is a wasteful number, since it uses less digits than its factorization.

11651442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176553.

The product of its digits is 960, while the sum is 24.

The square root of 11651442 is about 3413.4208647631. The cubic root of 11651442 is about 226.7043704101.

The spelling of 11651442 in words is "eleven million, six hundred fifty-one thousand, four hundred forty-two".