11213142 has 16 divisors (see below), whose sum is σ = 22794672. Its totient is φ = 3676320.

The previous prime is 11213141. The next prime is 11213143. The reversal of 11213142 is 24131211.

11213142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11213141) and next prime (11213143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14953 + ... + 15684.

It is an arithmetic number, because the mean of its divisors is an integer number (1424667).

Almost surely, 2^11213142 is an apocalyptic number.

11213142 is an abundant number, since it is smaller than the sum of its proper divisors (11581530).

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

11213142 is a wasteful number, since it uses less digits than its factorization.

11213142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30703.

The product of its digits is 48, while the sum is 15.

The square root of 11213142 is about 3348.6029922940. The cubic root of 11213142 is about 223.8252649847.

Adding to 11213142 its reverse (24131211), we get a palindrome (35344353).

The spelling of 11213142 in words is "eleven million, two hundred thirteen thousand, one hundred forty-two".