13842436 has 6 divisors (see below), whose sum is σ = 24224270. Its totient is φ = 6921216.

The previous prime is 13842419. The next prime is 13842443. The reversal of 13842436 is 63424831.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 476100 = 3656^2 + 690^2 .

It is a super-2 number, since 2×13842436² = 383226068828192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13842398 and 13842407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730301 + ... + 1730308.

Almost surely, 2^13842436 is an apocalyptic number.

It is an amenable number.

13842436 is a deficient number, since it is larger than the sum of its proper divisors (10381834).

13842436 is a wasteful number, since it uses less digits than its factorization.

13842436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460613 (or 3460611 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 13842436 is about 3720.5424335707. The cubic root of 13842436 is about 240.1066424219.

The spelling of 13842436 in words is "thirteen million, eight hundred forty-two thousand, four hundred thirty-six".