11401212 has 24 divisors (see below), whose sum is σ = 26925696. Its totient is φ = 3754288.

The previous prime is 11401207. The next prime is 11401231. The reversal of 11401212 is 21210411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

11401212 is a modest number, since divided by 1212 gives 1140 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4728 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (1121904).

Almost surely, 2^11401212 is an apocalyptic number.

11401212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11401212 is an abundant number, since it is smaller than the sum of its proper divisors (15524484).

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

11401212 is a wasteful number, since it uses less digits than its factorization.

11401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11537 (or 11535 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11401212 is about 3376.5680801666. The cubic root of 11401212 is about 225.0696870563.

Adding to 11401212 its reverse (21210411), we get a palindrome (32611623).

The spelling of 11401212 in words is "eleven million, four hundred one thousand, two hundred twelve".