11402997 has 4 divisors (see below), whose sum is σ = 15204000. Its totient is φ = 7601996.

The previous prime is 11402977. The next prime is 11403013. The reversal of 11402997 is 79920411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79920411 = 3 ⋅26640137.

It is a cyclic number.

It is not a de Polignac number, because 11402997 - 2⁶ = 11402933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402977) 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, 1900497 + ... + 1900502.

It is an arithmetic number, because the mean of its divisors is an integer number (3801000).

Almost surely, 2^11402997 is an apocalyptic number.

It is an amenable number.

11402997 is a deficient number, since it is larger than the sum of its proper divisors (3801003).

11402997 is an equidigital number, since it uses as much as digits as its factorization.

11402997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801002.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 11402997 is about 3376.8323914580. The cubic root of 11402997 is about 225.0814322528.

The spelling of 11402997 in words is "eleven million, four hundred two thousand, nine hundred ninety-seven".