12140452 has 6 divisors (see below), whose sum is σ = 21245798. Its totient is φ = 6070224.

The previous prime is 12140441. The next prime is 12140459. The reversal of 12140452 is 25404121.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 891136 = 3354^2 + 944^2 .

It is not an unprimeable number, because it can be changed into a prime (12140459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1517553 + ... + 1517560.

Almost surely, 2^12140452 is an apocalyptic number.

It is an amenable number.

12140452 is a deficient number, since it is larger than the sum of its proper divisors (9105346).

12140452 is a wasteful number, since it uses less digits than its factorization.

12140452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035117 (or 3035115 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12140452 is about 3484.3151407414. The cubic root of 12140452 is about 229.8325939987.

Adding to 12140452 its reverse (25404121), we get a palindrome (37544573).

The spelling of 12140452 in words is "twelve million, one hundred forty thousand, four hundred fifty-two".