11402971 has 4 divisors (see below), whose sum is σ = 12073752. Its totient is φ = 10732192.

The previous prime is 11402953. The next prime is 11402977. The reversal of 11402971 is 17920411.

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

It is a cyclic number.

It is not a de Polignac number, because 11402971 - 2⁹ = 11402459 is a prime.

It is a Duffinian 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, 335365 + ... + 335398.

It is an arithmetic number, because the mean of its divisors is an integer number (3018438).

Almost surely, 2^11402971 is an apocalyptic number.

11402971 is a deficient number, since it is larger than the sum of its proper divisors (670781).

11402971 is an equidigital number, since it uses as much as digits as its factorization.

11402971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670780.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 11402971 is about 3376.8285416941. The cubic root of 11402971 is about 225.0812611831.

The spelling of 11402971 in words is "eleven million, four hundred two thousand, nine hundred seventy-one".