12029445 has 16 divisors (see below), whose sum is σ = 21385920. Its totient is φ = 6415632.

The previous prime is 12029431. The next prime is 12029447. The reversal of 12029445 is 54492021.

12029445 is digitally balanced in base 2, base 3 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 12029445 - 2⁴ = 12029429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12029447) 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, 44419 + ... + 44688.

It is an arithmetic number, because the mean of its divisors is an integer number (1336620).

Almost surely, 2^12029445 is an apocalyptic number.

12029445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12029445 is a deficient number, since it is larger than the sum of its proper divisors (9356475).

12029445 is an equidigital number, since it uses as much as digits as its factorization.

12029445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89121 (or 89115 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12029445 is about 3468.3490308791. The cubic root of 12029445 is about 229.1299517307.

The spelling of 12029445 in words is "twelve million, twenty-nine thousand, four hundred forty-five".