11946257 has 4 divisors (see below), whose sum is σ = 12648996. Its totient is φ = 11243520.

The previous prime is 11946251. The next prime is 11946299. The reversal of 11946257 is 75264911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75264911 = 61 ⋅1233851.

It can be written as a sum of positive squares in 2 ways, for example, as 7349521 + 4596736 = 2711^2 + 2144^2 .

It is a cyclic number.

It is not a de Polignac number, because 11946257 - 2⁴ = 11946241 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (11946251) 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, 351344 + ... + 351377.

It is an arithmetic number, because the mean of its divisors is an integer number (3162249).

Almost surely, 2^11946257 is an apocalyptic number.

11946257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11946257 is a deficient number, since it is larger than the sum of its proper divisors (702739).

11946257 is an equidigital number, since it uses as much as digits as its factorization.

11946257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702738.

The product of its digits is 15120, while the sum is 35.

The square root of 11946257 is about 3456.3357765125. The cubic root of 11946257 is about 228.6005571323.

The spelling of 11946257 in words is "eleven million, nine hundred forty-six thousand, two hundred fifty-seven".