12724119 has 24 divisors (see below), whose sum is σ = 18909072. Its totient is φ = 8242560.

The previous prime is 12724097. The next prime is 12724133. The reversal of 12724119 is 91142721.

12724119 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12724119 - 2¹¹ = 12722071 is a prime.

It is a super-2 number, since 2×12724119² = 323806408652322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12724092 and 12724101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12724219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70209 + ... + 70389.

It is an arithmetic number, because the mean of its divisors is an integer number (787878).

Almost surely, 2^12724119 is an apocalyptic number.

12724119 is a deficient number, since it is larger than the sum of its proper divisors (6184953).

12724119 is a wasteful number, since it uses less digits than its factorization.

12724119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 364 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 12724119 is about 3567.0883084107. The cubic root of 12724119 is about 233.4582580477.

It can be divided in two parts, 127241 and 19, that added together give a triangular number (127260 = T₅₀₄).

The spelling of 12724119 in words is "twelve million, seven hundred twenty-four thousand, one hundred nineteen".