11402478 has 32 divisors (see below), whose sum is σ = 26831520. Its totient is φ = 3576960.

The previous prime is 11402477. The next prime is 11402497. The reversal of 11402478 is 87420411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402471) 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 15 ways as a sum of consecutive naturals, for example, 5293 + ... + 7128.

It is an arithmetic number, because the mean of its divisors is an integer number (838485).

Almost surely, 2^11402478 is an apocalyptic number.

11402478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11402478 is an abundant number, since it is smaller than the sum of its proper divisors (15429042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11402478 is a wasteful number, since it uses less digits than its factorization.

11402478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449 (or 12443 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 11402478 is about 3376.7555434174. The cubic root of 11402478 is about 225.0780173893.

Adding to 11402478 its reverse (87420411), we get a palindrome (98822889).

The spelling of 11402478 in words is "eleven million, four hundred two thousand, four hundred seventy-eight".