11272402 has 4 divisors (see below), whose sum is σ = 16908606. Its totient is φ = 5636200.

The previous prime is 11272399. The next prime is 11272403. The reversal of 11272402 is 20427211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20427211 = 7 ⋅2918173.

It can be written as a sum of positive squares in only one way, i.e., 7890481 + 3381921 = 2809^2 + 1839^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11272402.

It is not an unprimeable number, because it can be changed into a prime (11272403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818099 + ... + 2818102.

Almost surely, 2^11272402 is an apocalyptic number.

11272402 is a deficient number, since it is larger than the sum of its proper divisors (5636204).

11272402 is an equidigital number, since it uses as much as digits as its factorization.

11272402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636203.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 11272402 is about 3357.4397984178. The cubic root of 11272402 is about 224.2188682404.

Adding to 11272402 its reverse (20427211), we get a palindrome (31699613).

The spelling of 11272402 in words is "eleven million, two hundred seventy-two thousand, four hundred two".