11402297 has 4 divisors (see below), whose sum is σ = 11410980. Its totient is φ = 11393616.

The previous prime is 11402263. The next prime is 11402311. The reversal of 11402297 is 79220411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79220411 = 1021 ⋅77591.

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 5851561 = 2356^2 + 2419^2 .

It is a cyclic number.

It is not a de Polignac number, because 11402297 - 2⁶ = 11402233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11402207) 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, 1922 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (2852745).

Almost surely, 2^11402297 is an apocalyptic number.

It is an amenable number.

11402297 is a deficient number, since it is larger than the sum of its proper divisors (8683).

11402297 is an equidigital number, since it uses as much as digits as its factorization.

11402297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8682.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 11402297 is about 3376.7287424370. The cubic root of 11402297 is about 225.0768264395.

The spelling of 11402297 in words is "eleven million, four hundred two thousand, two hundred ninety-seven".