12061749 has 16 divisors (see below), whose sum is σ = 18829440. Its totient is φ = 6723840.

The previous prime is 12061747. The next prime is 12061757. The reversal of 12061749 is 94716021.

It is a happy number.

It is not a de Polignac number, because 12061749 - 2¹ = 12061747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6144 + ... + 7865.

It is an arithmetic number, because the mean of its divisors is an integer number (1176840).

Almost surely, 2^12061749 is an apocalyptic number.

It is an amenable number.

12061749 is a deficient number, since it is larger than the sum of its proper divisors (6767691).

12061749 is a wasteful number, since it uses less digits than its factorization.

12061749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14060.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12061749 is about 3473.0028793538. The cubic root of 12061749 is about 229.3348710818.

The spelling of 12061749 in words is "twelve million, sixty-one thousand, seven hundred forty-nine".