11121412 has 6 divisors (see below), whose sum is σ = 19462478. Its totient is φ = 5560704.

The previous prime is 11121389. The next prime is 11121421. The reversal of 11121412 is 21412111.

It can be written as a sum of positive squares in only one way, i.e., 9144576 + 1976836 = 3024^2 + 1406^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11121392 and 11121401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390173 + ... + 1390180.

Almost surely, 2^11121412 is an apocalyptic number.

It is an amenable number.

11121412 is a deficient number, since it is larger than the sum of its proper divisors (8341066).

11121412 is a wasteful number, since it uses less digits than its factorization.

11121412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780357 (or 2780355 counting only the distinct ones).

The product of its digits is 16, while the sum is 13.

The square root of 11121412 is about 3334.8781087170. The cubic root of 11121412 is about 223.2132529397.

Adding to 11121412 its reverse (21412111), we get a palindrome (32533523).

It can be divided in two parts, 111 and 21412, that multiplied together give a palindrome (2376732).

The spelling of 11121412 in words is "eleven million, one hundred twenty-one thousand, four hundred twelve".