11402857 has 2 divisors, whose sum is σ = 11402858. Its totient is φ = 11402856.

The previous prime is 11402851. The next prime is 11402861. The reversal of 11402857 is 75820411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6456681 + 4946176 = 2541^2 + 2224^2 .

It is a cyclic number.

It is not a de Polignac number, because 11402857 - 2¹⁵ = 11370089 is a prime.

It is not a weakly prime, because it can be changed into another prime (11402851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701428 + 5701429.

It is an arithmetic number, because the mean of its divisors is an integer number (5701429).

Almost surely, 2^11402857 is an apocalyptic number.

It is an amenable number.

11402857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11402857 is an equidigital number, since it uses as much as digits as its factorization.

11402857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 11402857 is about 3376.8116619083. The cubic root of 11402857 is about 225.0805111052.

The spelling of 11402857 in words is "eleven million, four hundred two thousand, eight hundred fifty-seven".