11402013 has 16 divisors (see below), whose sum is σ = 17486336. Its totient is φ = 6473520.

The previous prime is 11402011. The next prime is 11402023. The reversal of 11402013 is 31020411.

It is a happy number.

It is not a de Polignac number, because 11402013 - 2¹ = 11402011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11402013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1758 + ... + 5088.

It is an arithmetic number, because the mean of its divisors is an integer number (1092896).

Almost surely, 2^11402013 is an apocalyptic number.

It is an amenable number.

11402013 is a deficient number, since it is larger than the sum of its proper divisors (6084323).

11402013 is a wasteful number, since it uses less digits than its factorization.

11402013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11402013 is about 3376.6866896412. The cubic root of 11402013 is about 225.0749577414.

Adding to 11402013 its reverse (31020411), we get a palindrome (42422424).

The spelling of 11402013 in words is "eleven million, four hundred two thousand, thirteen".