11402993 has 8 divisors (see below), whose sum is σ = 13384512. Its totient is φ = 9509616.

The previous prime is 11402977. The next prime is 11403013. The reversal of 11402993 is 39920411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11402993 - 2⁴ = 11402977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11402933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21755 + ... + 22272.

It is an arithmetic number, because the mean of its divisors is an integer number (1673064).

Almost surely, 2^11402993 is an apocalyptic number.

It is an amenable number.

11402993 is a deficient number, since it is larger than the sum of its proper divisors (1981519).

11402993 is an equidigital number, since it uses as much as digits as its factorization.

11402993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44071.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 11402993 is about 3376.8317991869. The cubic root of 11402993 is about 225.0814059344.

The spelling of 11402993 in words is "eleven million, four hundred two thousand, nine hundred ninety-three".