11901146 has 4 divisors (see below), whose sum is σ = 17851722. Its totient is φ = 5950572.

The previous prime is 11901137. The next prime is 11901151. The reversal of 11901146 is 64110911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10923025 + 978121 = 3305^2 + 989^2 .

It is a super-2 number, since 2×11901146² = 283274552226632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2975285 + ... + 2975288.

Almost surely, 2^11901146 is an apocalyptic number.

11901146 is a deficient number, since it is larger than the sum of its proper divisors (5950576).

11901146 is an equidigital number, since it uses as much as digits as its factorization.

11901146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950575.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11901146 is about 3449.8037625349. The cubic root of 11901146 is about 228.3124499463.

The spelling of 11901146 in words is "eleven million, nine hundred one thousand, one hundred forty-six".